fix: fix examples, update podtatohead

[thschue]

This PR

• Fixes some issues in the examples
• Adds a sample KeptnConfig to the Deployment
• Changes examples to use the upstream version of the podtatohead manifests

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[sonarcloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.0% Duplication

[codecov]

Codecov Report

Merging #1098 (214ac3b) into main (ddd3732) will decrease coverage by 0.09%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1098      +/-   ##
==========================================
- Coverage   59.03%   58.94%   -0.09%     
==========================================
  Files         126      126              
  Lines       10007    10007              
==========================================
- Hits         5908     5899       -9     
- Misses       3885     3891       +6     
- Partials      214      217       +3     

see 3 files with indirect coverage changes

Flag	Coverage Δ
certificate-operator	64.15% <ø> (ø)
component-tests	59.82% <ø> (-0.66%)	⬇️
lifecycle-operator	78.40% <ø> (ø)
metrics-operator	77.35% <ø> (ø)
scheduler	21.17% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[RealAnna]

LGTM

[thisthat]

This also closes my PR #1090